Finding the Fourth Proportional to 920,034.68, 1,380,642.51 and 446,461.70
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Solution
The fourth proportional to 920,034.68, 1,380,642.51 and 446,461.70 is: 669,979.09
Step by Step Solution
- Step 1: Write the proportion equation
920,034.68 : 1,380,642.51 = 446,461.70 : x - Step 2: Convert to fraction form
920,034.68/1,380,642.51 = 446,461.70/x - Step 3: Cross multiply
920,034.68x = 1,380,642.51 × 446,461.70 - Step 4: Simplify right side
920,034.68x = 616,403,997,621.74 - Step 5: Solve for x
x = 616,403,997,621.74/920,034.68 - Step 6: Final answer
x = 669,979.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.